ὑποκόρ-ισμα · hypokor-isma — LSJ
a coaxing or endearing name, as Dem. said that his nickname Βάταλος was a ὑ. τίτθης, Aeschin. 1.126.
a fair name for something base, as παράσιτος for πολυφάγος, Alex. 178.2, cf. 219.5; σεισάχθεια for χρεῶν ἀποκοπή, Plu. Praec. 2.807e; so φυγῆς ὑ. καὶ παρακάλυμμα Id. Galb. 20.
diminutive, Eust. 1540.54.